Home / 86,865.52-119,972.64-58,522

Finding the Fourth Proportional to 86,865.52, 119,972.64 and 58,522

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Solution

The fourth proportional to 86,865.52, 119,972.64 and 58,522 is: 80,826.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,865.52 : 119,972.64 = 58,522 : x
  2. Step 2: Convert to fraction form
    86,865.52/119,972.64 = 58,522/x
  3. Step 3: Cross multiply
    86,865.52x = 119,972.64 × 58,522
  4. Step 4: Simplify right side
    86,865.52x = 7,021,038,838.08
  5. Step 5: Solve for x
    x = 7,021,038,838.08/86,865.52
  6. Step 6: Final answer
    x = 80,826.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.